webos-image: mojoservicelauncher=81

:Release Notes:
Fix coverity issues

:Detailed Notes:
submissions/80..submissions/81
e504935 Coverity issue fixes

:Testing Performed:
miniBAT

:QA Notes:

:Issues Addressed:
[GF-54088] mojoservicelauncher: Coverity issues to be fixed
[GF-54276] CCC: mojoservicelauncher=81

Open-webOS-DCO-1.0-Signed-off-by: DongHeon Jang <dongheon.jang@lge.com>
Change-Id: I3b3e85dcea7e0d43e55412e1539ba9df3701e868
Reviewed-on: https://g2g.palm.com/4150
Reviewed-by: DCO Verification
Build: Oleg Yablokov <oleg.yablokov@lge.com>
Reviewed-by: Oleg Yablokov <oleg.yablokov@lge.com>
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Reviewed-by: Build Verification
Tested-by: Oleg Yablokov <oleg.yablokov@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>